They ARE hardy plants for temperate zones, but if yours was only just
planted last year, perhaps it hadn't set out enough roots to be ready for
extremes. A few hybrids such as "Lilac Time" & any that are semi-dwarf are
a bit more sensitive.
Usually even after winter damage brooms can be hard-pruned & will regrow,
even if cut flush to the ground, but their first couple seasons in the
ground in "the usual" droughty locations may leave them weak for needing
to be watered their first summer. Conversely, too regular of watering
their first year can sometimes cause black rootrot.
Though not generally susceptible to disease there certainly are
exceptions. They're attacked by peach scale & can be killed by leaf
blight, & in a few areas of the west coast a broom-killing twig-mining
moth has been turned loose as a biological control for invasive wild
broom. But these moths kill garden hybrids too.
My brooms:
http://www.paghat.com/broomburkwood.html
http://www.paghat.com/broom.html
http://www.paghat.com/broom_lilactime.html
http://www.paghat.com/scotchbroom.html
-paghat the ratgirl

--
"Of what are you afraid, my child?" inquired the kindly teacher.
"Oh, sir! The flowers, they are wild," replied the timid creature.

Log in

HomeOwnersHub.com is a website for homeowners and building and maintenance pros. It is not affiliated with any of the manufacturers or service providers discussed here.
All logos and trade names are the property of their respective owners.